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8.7 Making electrical connections
IMPORTANT
► Work on electrical connections must never
be performed when the system is live and the
safe isolation procedure must be completed.
► For a complete overview of the electrical
system, see §8.7.2.
► Always observe BS 7671 when carrying out
any electrical work.
► Electrical work may only be carried out by a
qualified and registered electrician.
► Aer completeing the safe isolation checks
and before working on the appliance, please
check the electrical cables for any wear,
strain UV or rodent damage etc.
► Correct polarities must be observed when
making 230v~ electrical connections.
► Electrical work on the outdoor unit must not
be attempted whenever there is a possibility
of precipitation, or water ingress of any kind.
8.7.1 Points of attention for electrical installation
IMPORTANT
► Keep the refrigerant lines as short as possible
(min. 3 metres and max. 25 metres), §8.6.6.
► Correct system operation may be aected if
too much refrigerant has been added.
► Excessive refrigerant must be recovered and
recorded correctly.
► The field charge label must be completed and
attached to the outdoor unit when refrigerant
has been added (for refrigerant lines of 7
metres or more), see §8.6.6.
► Conduct a second tightness test before leaving
the location.
► Replace the side panel on the outdoor unit.
8.6.9 Checking the refrigerant actions
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